public function send(Packet $packet)
{
$conn = $this->connection();
$bytes = $packet->getBinary();
fputs($conn, $bytes, strlen($bytes));
// TODO: Check result checksum!
$result = fread($conn, 8192);
if ($result === false) {
throw new \Exception('CHECK_NRPE: Error receiving data from daemon.');
} elseif (strlen($result) === 0) {
throw new \Exception('CHECK_NRPE: Received 0 bytes from daemon.' . ' Check the remote server logs for error messages');
}
// TODO: CHECK_NRPE: Receive underflow - only %d bytes received (%d expected)
$code = unpack('n', substr($result, 8, 2));
$this->lastReturnCode = $code[1];
$this->disconnect();
return rtrim(substr($result, 10, -2));
}
